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GEOLOGY OF IO
USGS, 1992

Gems of pure beauty, found buried in a government website.

In order, these maps show the north pole, equatorial region (rotated so that north is to the right), and south pole. Each map was originally drawn at a scale of 1:15,000,000.

These files are meant for use in GIS programs; they can be downloaded here.


My thanks to Micah Maltsberger for bringing these to my attention.

The full series: mercury, the moon, mars, io, and ganymede.